Home / 1,449,640.86-2,001,505.19-906,021

Finding the Fourth Proportional to 1,449,640.86, 2,001,505.19 and 906,021

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Solution

The fourth proportional to 1,449,640.86, 2,001,505.19 and 906,021 is: 1,250,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,640.86 : 2,001,505.19 = 906,021 : x
  2. Step 2: Convert to fraction form
    1,449,640.86/2,001,505.19 = 906,021/x
  3. Step 3: Cross multiply
    1,449,640.86x = 2,001,505.19 × 906,021
  4. Step 4: Simplify right side
    1,449,640.86x = 1,813,405,729,218.89
  5. Step 5: Solve for x
    x = 1,813,405,729,218.89/1,449,640.86
  6. Step 6: Final answer
    x = 1,250,934.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.